Latin Name : Thymus Mastichina Part Of Plant Used : Leaves & Flowering Tops Extraction Method : Steam Distillation Marjoram Essential Oil is steam distilled from the Thymus mastichina plant, which has a hairy stem, oval leaves and little whitish flowers in clusters. The entire plant exudes a strong aroma. This plant is actually wild growing thyme, but is known as Spanish Wild Marjoram. It belongs to the lamiaceae family of Spain and is not the same as sweet or French Marjoram; neither is it oregano, which is also called wild marjoram.